21102684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 51813888

約数和(自身を除く): 30711204

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 157, 276, 314, 471, 487, 628, 942, 974, 1461, 1884, 1948, 2922, 3611, 5844, 7222, 10833, 11201, 14444, 21666, 22402, 33603, 43332, 44804, 67206, 76459, 134412, 152918, 229377, 305836, 458754, 917508, 1758557, 3517114, 5275671, 7034228, 10551342, 21102684]

約数ペア:

[(1, 21102684), (2, 10551342), (3, 7034228), (4, 5275671), (6, 3517114), (12, 1758557), (23, 917508), (46, 458754), (69, 305836), (92, 229377), (138, 152918), (157, 134412), (276, 76459), (314, 67206), (471, 44804), (487, 43332), (628, 33603), (942, 22402), (974, 21666), (1461, 14444), (1884, 11201), (1948, 10833), (2922, 7222), (3611, 5844)]